/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.sync.packets;

import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.world.World;

import appeng.client.render.effects.MatterCannonFX;
import appeng.core.sync.AppEngPacket;
import appeng.core.sync.network.INetworkInfo;
import cpw.mods.fml.client.FMLClientHandler;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

public class PacketMatterCannon extends AppEngPacket {

    private final double x;
    private final double y;
    private final double z;
    private final double dx;
    private final double dy;
    private final double dz;
    private final byte len;

    // automatic.
    public PacketMatterCannon(final ByteBuf stream) {
        this.x = stream.readFloat();
        this.y = stream.readFloat();
        this.z = stream.readFloat();
        this.dx = stream.readFloat();
        this.dy = stream.readFloat();
        this.dz = stream.readFloat();
        this.len = stream.readByte();
    }

    // api
    public PacketMatterCannon(final double x, final double y, final double z, final float dx, final float dy,
            final float dz, final byte len) {
        final float dl = dx * dx + dy * dy + dz * dz;
        final float dlz = (float) Math.sqrt(dl);

        this.x = x;
        this.y = y;
        this.z = z;
        this.dx = dx / dlz;
        this.dy = dy / dlz;
        this.dz = dz / dlz;
        this.len = len;

        final ByteBuf data = Unpooled.buffer();

        data.writeInt(this.getPacketID());
        data.writeFloat((float) x);
        data.writeFloat((float) y);
        data.writeFloat((float) z);
        data.writeFloat((float) this.dx);
        data.writeFloat((float) this.dy);
        data.writeFloat((float) this.dz);
        data.writeByte(len);

        this.configureWrite(data);
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void clientPacketData(final INetworkInfo network, final AppEngPacket packet, final EntityPlayer player) {
        try {

            final World world = FMLClientHandler.instance().getClient().theWorld;
            for (int a = 1; a < this.len; a++) {
                final MatterCannonFX fx = new MatterCannonFX(
                        world,
                        this.x + this.dx * a,
                        this.y + this.dy * a,
                        this.z + this.dz * a,
                        Items.diamond);

                Minecraft.getMinecraft().effectRenderer.addEffect(fx);
            }
        } catch (final Exception ignored) {}
    }
}
